KR20170073673A - 구강 점막 재생을 위한 생체재료 스캐폴드 - Google Patents
구강 점막 재생을 위한 생체재료 스캐폴드 Download PDFInfo
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- KR20170073673A KR20170073673A KR1020177013967A KR20177013967A KR20170073673A KR 20170073673 A KR20170073673 A KR 20170073673A KR 1020177013967 A KR1020177013967 A KR 1020177013967A KR 20177013967 A KR20177013967 A KR 20177013967A KR 20170073673 A KR20170073673 A KR 20170073673A
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Abstract
Description
도 2. 주사 전자 현미경 사진들은 서로 다른 아가로스 조성들을 가지는 재료물질의 구조를 더욱 상세하게 나타낸다. 맨 윗줄: 1.500X. 아래 줄: 20.000X. a) 0.2% 아가로오스; b) 0.4%e; 아가로오스 c) 0.6% 아가로오스.
도 3. 얻어진 본 발명의 하이드로겔의 상세:
(a) 본 발명의 공정 1의 단계 a)에 따름; 본 발명의 공정 1 또는 2의 단계 a) 및 단계 b)에 따름.
도 4. 팽창된(swollen) 생체재료 및 그의 조작의 상세.
도 5. 생체재료의 말단들의 봉합술 후의 생체재료의 상세.
도 6. 본 발명의 생체재료에서 배양된 인간 섬유아세포(fibroblasts)의 녹색/적색 형광 현미경사진(0.2% 아가로오스). A, B 및 C: 각각 24, 48 및 72 시간 동안 배양 후. A, B 및 C 는 a, b 및 c보다 고배율로 확대한 현미경사진에 해당함. 스케일 바는 200 마이크론임.
도 7. 본 발명의 생체재료에서 배양된 인간 섬유아세포(fibroblasts)의 녹색/적색 형광 현미경사진(0.4% 아가로오스). A, B 및 C: 각각 24, 48 및 72 시간 동안 배양 후. A, B 및 C 는 a, b 및 c보다 고배율로 확대한 현미경사진에 해당함. 스케일 바는 200 마이크론임.
도 8. 본 발명의 생체재료 상에서 배양된 인간 섬유아세포들의 세포 생존도(Cell viability) (0.2% 및 0.4% 아가로오스). 상기 값들은 대조군(100%)에 대한 세포 생존도의 퍼센티지를 나타낸다. 점선은 ISO 10993:5에 따른 세포독성 한도를 나타낸다.
도 9. 양성 대조군 (irritant), 음성 대조군 (reference viability) 및 본 발명에 따른 샘플들 (Biom 1 및 Biom 2)에서 생존율의 퍼센티지. 점선은 본 자극 모델(irritation model)에 사용된 한도를 나타낸다. 선 위의 값들은 비자극물(NON-IRRITANTS) 로 고려되며 반면에 이 선 아래의 값들은 자극물(IRRITANTS)로 고려됨.
도 10. 쥐에서의 상기 물질들의 이식 부위의 다이어그램 및 서로 다른 시간들에서의 생체재료 외식편들(biomaterial explants) 이미지들: a) 7 일; b) 14 일; c) 30 일 및 d) 60 일.
도 11. 테스트 시간 동안 생체재료 외식편들의 육안 이미지: a) 7 일; b) 14 일; c) 30 일 및 d) 60 일.
도 12. 테스트 시간동안 외식편들의 조직학적 이미지:(7, 14, 30 및 60 일).
도 13. 미니피그 모델에서 구강 점막 결손에서의 컨셉의 생체내 증거: a) 발치 후 구강 점막 결손 b) 점막 결손 안에 본 발명의 생체재료 이식 c) 흡수봉합사로 생체재료 이식 후 결손 봉쇄 d) 동물 턱으로부터 알지네이트 캐스트 모델들의 스캐닝 및 OrthoViewer 이미지 분석 소프트웨어를 통한 이미지 분석의 예
| 영역 (cm2) | ||||
| 일 | 7 | 14 | 30 | 60 |
| 평균 | 1.366 | 0.909 | 0.789 | 0.241 |
| 편차 | 0.107 | 0.207 | 0.034 | 0.035 |
| 구역 | 최종 부피 증가 (mm) |
| 절개1 | 1,07 |
| 절개2 | 0,88 |
| 절개3 | 1,98 |
| 절개4 | 1,37 |
| 평균 ± SD | 1,33±0,5 |
Claims (17)
- 하기의 단계를 포함하는 생체재료 스캐폴드의 제조 방법:
a) 피브린 네트워크 및 다당류 네트워크를 포함하는 하이드로겔을 제공하는 단계;
b) 상기 단계 a)의 하이드로겔을 동결융해(freeze-thawing)시켜서 물리적으로 가교결합(crosslink)시키는 단계;및
c) 상기 단계 b)의 수행 후 얻은 상기 물리적으로 가교결합(crosslink)된 하이드로겔을 동결건조시키는 단계. - 제1항에 있어서, 상기 피브린 네트워크는 피브리노겐-포함 물질을 중합함으로써 얻어지는 것을 특징으로 하는 방법.
- 제2항에 있어서, 상기 피브리노겐-포함 물질은 혈장인 것을 특징으로 하는 방법.
- 제2항 또는 제3항에 있어서, 상기 피브리노겐-포함 물질의 중합은 응고제, 칼슘 공급원(calcium source)의 존재하에서 및 선택적으로는, 항피브린용해제(antifibrinolytic agent)의 존재하에서 수행되는 것을 특징으로 하는 방법.
- 제4항에 있어서, 상기 칼슘 공급원(calcium source)은 칼슘염인 것을 특징으로 하는 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 다당류 네트워크는 다당류 포함 물질의 중합에 의해 얻어지는 것을 특징으로 하는 방법.
- 제6항에 있어서, 상기 다당류 포함 물질은 아가로오스인 것을 특징으로 하는 방법.
- 제1항 내지 제7항 중 어느 한 항에서 정의된 공정에 의해 얻어질 수 있는 생체재료 스캐폴드.
- 제8항에 있어서, 상기 생체재료 스캐폴드는 상기 스캐폴드의 구조 내에 통합되거나 그 표면 상의 세포들을 포함하는 것을 특징으로 하는 생체재료 스캐폴드.
- 하기의 단계를 포함하는 상호침투 네트워크(interpenetrating network)를 가지는 가교결합된 하이드로겔의 제조 공정:
a) 피브린 네트워크 및 다당류 네트워크를 포함하는 하이드로겔을 제공하는 단계; 및
b) 상기 단계 a)의 하이드로겔을 동결융해(freeze-thawing) 시키는 단계. - 제10항에서 정의된 공정에 의해 얻을 수 있는 상호침투 네트워크(interpenetrating network)를 가지는 가교결합된 하이드로겔.
- 의약으로서 이용을 위한 제8항 또는 제9항에서 정의된 생체재료 스캐폴드.
- 질병에 걸리거나 손상된 연조직의 기능적 활성을 부분적으로 또는 완전히 증가, 복원(restore) 또는 대체시키는데 이용하기 위한 제8항 또는 제9항에서 정의된 생체재료 스캐폴드.
- 제13항에 있어서, 상기 연조직은 기능장애, 부상 또는 상처, 궤양, 화상, 양성 또는 악성 신생물(neoplasma), 감염, 타박상, 외상성 정신 장애(traumatism), 석회화(caustication), 선천적 기형, 물질 손실(substance loss) 및 치근막염( periodontal disease)를 포함하는 목록으로부터 선택되는 질병의 결과로서 손상된 또는 질병에 걸린 것을 특징으로 하는 생체재료 스캐폴드.
- 제13항 또는 제14항에 있어서, 상기 연조직은 구강 점막인 생체재료.
- 제8항 또는 제9항에서 정의된 생체재료 스캐폴드를 포함하는 약학 조성물.
- 제8항 또는 제9항에서 정의된 생체재료 스캐폴드를 포함하는 미용 조성물.
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| EP14382417.5A EP3011981A1 (en) | 2014-10-24 | 2014-10-24 | A biomaterial scaffold for regenerating the oral mucosa |
| EP14382417.5 | 2014-10-24 | ||
| PCT/EP2015/074610 WO2016062862A1 (en) | 2014-10-24 | 2015-10-23 | A biomaterial scaffold for regenerating the oral mucosa |
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| US11419892B2 (en) | 2018-02-01 | 2022-08-23 | North Carolina State University | Antimicrobial platelet-like particles |
| WO2019215557A1 (en) * | 2018-05-07 | 2019-11-14 | Reelabs Pvt. Ltd. | The method of autologous primary hair follicles preparation in 3d culture |
| WO2020033713A1 (en) * | 2018-08-08 | 2020-02-13 | Northeastern University | Oxygen-generating cryogels |
| CN110760076B (zh) * | 2019-11-06 | 2022-04-08 | 大连理工大学 | 一种基于胶体颗粒-iPRF双网络结构的可注射、高强度复合水凝胶及其制备方法和应用 |
| CN110743038B (zh) * | 2019-11-06 | 2021-09-10 | 大连理工大学 | 一种双网络结构复合水凝胶及其制备方法和应用 |
| WO2021108791A1 (en) * | 2019-11-29 | 2021-06-03 | North Carolina State University | Neonatal fibrin scaffolds for promoting wound healing |
| CN110982125B (zh) * | 2019-12-19 | 2022-01-21 | 武汉纺织大学 | 一种形状自恢复多孔复合凝胶及其制备方法与应用 |
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| CN113862332A (zh) * | 2021-09-17 | 2021-12-31 | 浙江大学 | 琼脂糖在制备生物大分子冻干保护剂中的应用 |
| CN114146223A (zh) * | 2021-12-10 | 2022-03-08 | 三亚悦美科技有限公司 | 一种重组胶原蛋白复合注射剂及其制备方法 |
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| CN103908693B (zh) * | 2014-04-15 | 2015-10-28 | 山东颐诺生物科技有限公司 | 一种仿生型海藻酸基复合抗菌敷料及其制备方法 |
-
2014
- 2014-10-24 EP EP14382417.5A patent/EP3011981A1/en not_active Withdrawn
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2015
- 2015-10-23 EP EP15784393.9A patent/EP3209341B1/en active Active
- 2015-10-23 WO PCT/EP2015/074610 patent/WO2016062862A1/en not_active Ceased
- 2015-10-23 KR KR1020177013967A patent/KR102489773B1/ko active Active
- 2015-10-23 MX MX2017005373A patent/MX380173B/es unknown
- 2015-10-23 JP JP2017522556A patent/JP6633628B2/ja active Active
- 2015-10-23 CN CN201580057680.3A patent/CN107073170B/zh active Active
- 2015-10-23 BR BR112017008117-2A patent/BR112017008117B1/pt active IP Right Grant
- 2015-10-23 US US15/520,986 patent/US11241516B2/en active Active
- 2015-10-23 AU AU2015334897A patent/AU2015334897B2/en active Active
- 2015-10-23 ES ES15784393T patent/ES2774792T3/es active Active
- 2015-10-23 CA CA2964501A patent/CA2964501C/en active Active
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| WO2003007873A2 (en) * | 2001-07-19 | 2003-01-30 | Prochon Biotech Ltd. | Plasma protein matrices and methods for their preparation |
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Also Published As
| Publication number | Publication date |
|---|---|
| US11241516B2 (en) | 2022-02-08 |
| US20170340771A1 (en) | 2017-11-30 |
| CN107073170A (zh) | 2017-08-18 |
| MX380173B (es) | 2025-03-12 |
| CN107073170B (zh) | 2021-06-29 |
| JP2017531533A (ja) | 2017-10-26 |
| AU2015334897A1 (en) | 2017-05-18 |
| ES2774792T3 (es) | 2020-07-22 |
| EP3011981A1 (en) | 2016-04-27 |
| MX2017005373A (es) | 2017-07-28 |
| BR112017008117A2 (pt) | 2018-02-20 |
| EP3209341B1 (en) | 2020-01-01 |
| WO2016062862A1 (en) | 2016-04-28 |
| BR112017008117B1 (pt) | 2020-12-08 |
| CA2964501A1 (en) | 2016-04-28 |
| JP6633628B2 (ja) | 2020-01-22 |
| AU2015334897B2 (en) | 2019-08-01 |
| CA2964501C (en) | 2023-05-16 |
| KR102489773B1 (ko) | 2023-01-17 |
| EP3209341A1 (en) | 2017-08-30 |
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